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Maaban is a remote populated place in Ghana. Its coordinates are: Latitude (DMS): 6° 59′ 0″ N; Longitude (DMS): 2° 13′ 0″. Tribesmen from Maaban were studied by Rosen in a seminal study[1] proving that hearing loss is primarily associated with exposure to elevated sound levels, rather than a function of ageing. Rosen's work also showed that high sound levels were responsible for a statistical elevation of blood pressure.

See also[edit]


  1. ^ S. Rosen and P. Olin, Hearing Loss and Coronary Heart Disease, Archives of Otolaryngology, 82:236 (1965)

Coordinates: 6°59′0″N 2°13′0″W / 6.98333°N 2.21667°W / 6.98333; -2.21667